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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/initializer_list.html" title="cpp/utility/initializer list"><span class="t-lines"><span>initializer_list</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/hash.html" title="cpp/utility/hash"><span class="t-lines"><span>hash</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/integer_sequence.html" title="cpp/utility/integer sequence"><span class="t-lines"><span>integer_sequence</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span></span></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 关系运算符 <span class="t-mark-rev t-deprecated-cxx20">(C++20 中弃用)</span> </td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/rel_ops/operator_cmp.html" title="cpp/utility/rel ops/operator cmp"><span class="t-lines"><span>rel_ops::operator!=</span><span>rel_ops::operator&gt;</span><span>rel_ops::operator&lt;=</span><span>rel_ops::operator&gt;=</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 比较 <span class="t-mark-rev t-since-cxx20">(C++20)</span></td></tr><tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/three_way_comparable.html" title="cpp/utility/compare/three way comparable"><span class="t-lines"><span>three_way_comparable</span><span>three_way_comparable_with</span></span></a></div></div></td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/strong_ordering.html" title="cpp/utility/compare/strong ordering"><span class="t-lines"><span>strong_ordering</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/weak_ordering.html" title="cpp/utility/compare/weak ordering"><span class="t-lines"><span>weak_ordering</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/partial_ordering.html" title="cpp/utility/compare/partial ordering"><span class="t-lines"><span>partial_ordering</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/common_comparison_category.html" title="cpp/utility/compare/common comparison category"><span class="t-lines"><span>common_comparison_category</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/compare_three_way_result.html" title="cpp/utility/compare/compare three way result"><span class="t-lines"><span>compare_three_way_result</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/compare_three_way.html" title="cpp/utility/compare/compare three way"><span class="t-lines"><span>compare_three_way</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/strong_order.html" title="cpp/utility/compare/strong order"><span class="t-lines"><span>strong_order</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/weak_order.html" title="cpp/utility/compare/weak order"><span class="t-lines"><span>weak_order</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/partial_order.html" title="cpp/utility/compare/partial order"><span class="t-lines"><span>partial_order</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/compare_strong_order_fallback.html" title="cpp/utility/compare/compare strong order fallback"><span class="t-lines"><span>compare_strong_order_fallback</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/compare_weak_order_fallback.html" title="cpp/utility/compare/compare weak order fallback"><span class="t-lines"><span>compare_weak_order_fallback</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/compare_partial_order_fallback.html" title="cpp/utility/compare/compare partial order fallback"><span class="t-lines"><span>compare_partial_order_fallback</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/compare/named_comparison_functions.html" title="cpp/utility/compare/named comparison functions"><span class="t-lines"><span>is_eq</span><span>is_neq</span><span>is_lt</span><span>is_lteq</span><span>is_gt</span><span>is_gteq</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 共用词汇类型</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/pair.html" title="cpp/utility/pair"><span class="t-lines"><span>pair</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/tuple.html" title="cpp/utility/tuple"><span class="t-lines"><span>tuple</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/apply.html" title="cpp/utility/apply"><span class="t-lines"><span>apply</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/make_from_tuple.html" title="cpp/utility/make from tuple"><span class="t-lines"><span>make_from_tuple</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/optional.html" title="cpp/utility/optional"><span class="t-lines"><span>optional</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/any.html" title="cpp/utility/any"><span class="t-lines"><span>any</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/variant.html" title="cpp/utility/variant"><span class="t-lines"><span>variant</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> swap 、 forward 与 move</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../algorithm/swap.html" title="cpp/algorithm/swap"><span class="t-lines"><span>swap</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/exchange.html" title="cpp/utility/exchange"><span class="t-lines"><span>exchange</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/forward.html" title="cpp/utility/forward"><span class="t-lines"><span>forward</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/move.html" title="cpp/utility/move"><span class="t-lines"><span>move</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/move_if_noexcept.html" title="cpp/utility/move if noexcept"><span class="t-lines"><span>move_if_noexcept</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 初等字符串转换</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/to_chars.html" title="cpp/utility/to chars"><span class="t-lines"><span>to_chars</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/from_chars.html" title="cpp/utility/from chars"><span class="t-lines"><span>from_chars</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/chars_format.html" title="cpp/utility/chars format"><span class="t-lines"><span>chars_format</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 类型运算</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/declval.html" title="cpp/utility/declval"><span class="t-lines"><span>declval</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/as_const.html" title="cpp/utility/as const"><span class="t-lines"><span>as_const</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/launder.html" title="cpp/utility/launder"><span class="t-lines"><span>launder</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div><div class="t-navbar-head"><a href="../chrono.html" title="cpp/chrono">日期和时间工具</a><div class="t-navbar-menu"><div><div><table class="t-nv-begin" cellpadding="0" style="">
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="duration.html" title="cpp/chrono/duration"><span class="t-lines"><span>duration</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_point.html" title="cpp/chrono/time point"><span class="t-lines"><span>time_point</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_of_day.html" title="cpp/chrono/time of day"><span class="t-lines"><span>time_of_day</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="clock_time_conversion.html" title="cpp/chrono/clock time conversion"><span class="t-lines"><span>clock_time_conversion</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="clock_cast.html" title="cpp/chrono/clock cast"><span class="t-lines"><span>clock_cast</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 时钟</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="system_clock.html" title="cpp/chrono/system clock"><span class="t-lines"><span>system_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="steady_clock.html" title="cpp/chrono/steady clock"><span class="t-lines"><span>steady_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="high_resolution_clock.html" title="cpp/chrono/high resolution clock"><span class="t-lines"><span>high_resolution_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="is_clock.html" title="cpp/chrono/is clock"><span class="t-lines"><span>is_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5">                                             </td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="utc_clock.html" title="cpp/chrono/utc clock"><span class="t-lines"><span>utc_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tai_clock.html" title="cpp/chrono/tai clock"><span class="t-lines"><span>tai_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="gps_clock.html" title="cpp/chrono/gps clock"><span class="t-lines"><span>gps_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="file_clock.html" title="cpp/chrono/file clock"><span class="t-lines"><span>file_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="local_t.html" title="cpp/chrono/local t"><span class="t-lines"><span>local_t</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 日历</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="day.html" title="cpp/chrono/day"><span class="t-lines"><span>day</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month.html" title="cpp/chrono/month"><span class="t-lines"><span>month</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year.html" title="cpp/chrono/year"><span class="t-lines"><span>year</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="weekday.html" title="cpp/chrono/weekday"><span class="t-lines"><span>weekday</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="operator_slash.html" title="cpp/chrono/operator slash"><span class="t-lines"><span>operator/</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month_day.html" title="cpp/chrono/year month day"><span class="t-lines"><span>year_month_day</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month_day_last.html" title="cpp/chrono/year month day last"><span class="t-lines"><span>year_month_day_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month_weekday.html" title="cpp/chrono/year month weekday"><span class="t-lines"><span>year_month_weekday</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month_weekday_last.html" title="cpp/chrono/year month weekday last"><span class="t-lines"><span>year_month_weekday_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="weekday_indexed.html" title="cpp/chrono/weekday indexed"><span class="t-lines"><span>weekday_indexed</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="weekday_last.html" title="cpp/chrono/weekday last"><span class="t-lines"><span>weekday_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month_day.html" title="cpp/chrono/month day"><span class="t-lines"><span>month_day</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month_day_last.html" title="cpp/chrono/month day last"><span class="t-lines"><span>month_day_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month_weekday.html" title="cpp/chrono/month weekday"><span class="t-lines"><span>month_weekday</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month_weekday_last.html" title="cpp/chrono/month weekday last"><span class="t-lines"><span>month_weekday_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month.html" title="cpp/chrono/year month"><span class="t-lines"><span>year_month</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 时区</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tzdb.html" title="cpp/chrono/tzdb"><span class="t-lines"><span>tzdb</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tzdb_list.html" title="cpp/chrono/tzdb list"><span class="t-lines"><span>tzdb_list</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tzdb_functions.html" title="cpp/chrono/tzdb functions"><span class="t-lines"><span>get_tzdb</span><span>get_tzdb_list</span><span>reload_tzdb</span><span>remote_version</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_zone.html" title="cpp/chrono/time zone"><span class="t-lines"><span>time_zone</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="locate_zone.html" title="cpp/chrono/locate zone"><span class="t-lines"><span>locate_zone</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="current_zone.html" title="cpp/chrono/current zone"><span class="t-lines"><span>current_zone</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="zoned_time.html" title="cpp/chrono/zoned time"><span class="t-lines"><span>zoned_time</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="link.html" title="cpp/chrono/link"><span class="t-lines"><span>link</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="leap.html" title="cpp/chrono/leap"><span class="t-lines"><span>leap</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> <strong class="selflink"> C 风格日期和时间</strong></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div><div class="t-navbar-head"><strong class="selflink">C 风格日期和时间工具</strong><div class="t-navbar-menu"><div><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv-h1"><td colspan="5">函数</td></tr>
<tr class="t-nv-h2"><td colspan="5">时间操作</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/difftime.html" title="cpp/chrono/c/difftime"><span class="t-lines"><span>difftime</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/time.html" title="cpp/chrono/c/time"><span class="t-lines"><span>time</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/clock.html" title="cpp/chrono/c/clock"><span class="t-lines"><span>clock</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/timespec_get.html" title="cpp/chrono/c/timespec get"><span class="t-lines"><span>timespec_get</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5">格式转换</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/asctime.html" title="cpp/chrono/c/asctime"><span class="t-lines"><span>asctime</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/ctime.html" title="cpp/chrono/c/ctime"><span class="t-lines"><span>ctime</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/strftime.html" title="cpp/chrono/c/strftime"><span class="t-lines"><span>strftime</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/wcsftime.html" title="cpp/chrono/c/wcsftime"><span class="t-lines"><span>wcsftime</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/gmtime.html" title="cpp/chrono/c/gmtime"><span class="t-lines"><span>gmtime</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/localtime.html" title="cpp/chrono/c/localtime"><span class="t-lines"><span>localtime</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/mktime.html" title="cpp/chrono/c/mktime"><span class="t-lines"><span>mktime</span></span></a></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5">常量</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/CLOCKS_PER_SEC.html" title="cpp/chrono/c/CLOCKS PER SEC"><span class="t-lines"><span>CLOCKS_PER_SEC</span></span></a></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5">类型</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/tm.html" title="cpp/chrono/c/tm"><span class="t-lines"><span>tm</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/time_t.html" title="cpp/chrono/c/time t"><span class="t-lines"><span>time_t</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/clock_t.html" title="cpp/chrono/c/clock t"><span class="t-lines"><span>clock_t</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="c/timespec.html" title="cpp/chrono/c/timespec"><span class="t-lines"><span>timespec</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div></div>
<h3><span class="mw-headline" id=".E5.87.BD.E6.95.B0">函数</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc-header">
<td colspan="2"> <div>定义于头文件 <code>&lt;ctime&gt;</code> </div>
</td></tr>

<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E6.97.B6.E9.97.B4.E6.93.8D.E4.BD.9C"> 时间操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/difftime.html" title="cpp/chrono/c/difftime"> <span class="t-lines"><span>difftime</span></span></a></div></div>
</td>
<td>  计算时间之间的差 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/time.html" title="cpp/chrono/c/time"> <span class="t-lines"><span>time</span></span></a></div></div>
</td>
<td>  返回自纪元起计的系统当前时间 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/clock.html" title="cpp/chrono/c/clock"> <span class="t-lines"><span>clock</span></span></a></div></div>
</td>
<td>  返回自程序启动时起的原始处理器时钟时间 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/timespec_get.html" title="cpp/chrono/c/timespec get"> <span class="t-lines"><span>timespec_get</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div>
</td>
<td>  返回基于给定时间基底的日历时间 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E6.A0.BC.E5.BC.8F.E8.BD.AC.E6.8D.A2"> 格式转换 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/asctime.html" title="cpp/chrono/c/asctime"> <span class="t-lines"><span>asctime</span></span></a></div></div>
</td>
<td>  转换 <code>tm</code> 对象为文本表示 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/ctime.html" title="cpp/chrono/c/ctime"> <span class="t-lines"><span>ctime</span></span></a></div></div>
</td>
<td>  转换 <code>time_t</code> 对象为文本表示 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/strftime.html" title="cpp/chrono/c/strftime"> <span class="t-lines"><span>strftime</span></span></a></div></div>
</td>
<td>  转换 <code>tm</code> 对象到自定义的文本表示 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/wcsftime.html" title="cpp/chrono/c/wcsftime"> <span class="t-lines"><span>wcsftime</span></span></a></div></div>
</td>
<td>  转换 <code>tm</code> 对象为定制的宽字符串文本表示 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/gmtime.html" title="cpp/chrono/c/gmtime"> <span class="t-lines"><span>gmtime</span></span></a></div></div>
</td>
<td>  转换纪元起时间为以协调世界时表示的日历时间 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/localtime.html" title="cpp/chrono/c/localtime"> <span class="t-lines"><span>localtime</span></span></a></div></div>
</td>
<td>  转换纪元起时间为以本地时间表示的日历时间 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/mktime.html" title="cpp/chrono/c/mktime"> <span class="t-lines"><span>mktime</span></span></a></div></div>
</td>
<td>  转换日历时间为纪元起的时间 <br> <span class="t-mark">(函数)</span> </td></tr>
</table>
<h3><span class="mw-headline" id=".E5.B8.B8.E9.87.8F">常量</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/CLOCKS_PER_SEC.html" title="cpp/chrono/c/CLOCKS PER SEC"> <span class="t-lines"><span>CLOCKS_PER_SEC</span></span></a></div></div>
</td>
<td>  每秒的处理器始时钟嘀嗒数 <br> <span class="t-mark">(宏常量)</span> </td></tr>
</table>
<h3><span class="mw-headline" id=".E7.B1.BB.E5.9E.8B">类型</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/tm.html" title="cpp/chrono/c/tm"> <span class="t-lines"><span>tm</span></span></a></div></div>
</td>
<td>  日历时间类型 <br> <span class="t-mark">(类)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/time_t.html" title="cpp/chrono/c/time t"> <span class="t-lines"><span>time_t</span></span></a></div></div>
</td>
<td>  从纪元起的时间类型 <br> <span class="t-mark">(typedef)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/clock_t.html" title="cpp/chrono/c/clock t"> <span class="t-lines"><span>clock_t</span></span></a></div></div>
</td>
<td>  进程运行时间 <br> <span class="t-mark">(typedef)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="c/timespec.html" title="cpp/chrono/c/timespec"> <span class="t-lines"><span>timespec</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div>
</td>
<td>  以秒和纳秒表示的时间 <br> <span class="t-mark">(结构体)</span> </td></tr>
</table>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
<table class="t-dsc-begin">

</table>

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